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relational-record: introduce derived* API first.

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Kei Hibino 2018-06-18 01:50:23 +09:00
parent c061b77057
commit 3aa85b104a
1 changed files with 10 additions and 7 deletions
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relational-record/src/Database/Relational/Documentation.hs
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@ -398,18 +398,21 @@ into flat SQL statements to be used by database operation.
'relationalQuery' function converts 'Relation' type info flat SQL query like SELECT statement.
'typedInsert' function converts 'Pi' key type info flat SQL INSERT statement.
'derivedInsert' function converts 'Pi' key type info flat SQL INSERT statement.
'typedInsertQuery' function converts 'Pi' key type and 'Relation' type info flat SQL INSERT ... SELECT ... statement.
'derivedInsertValue' function converts 'InsertTarget' into flat SQL INSERT statement.
'typedUpdate' function converts 'UpdateTarget' type into flat SQL UPDATE statement.
'derivedInsertQuery' function converts 'Pi' key type and 'Relation' type info flat SQL INSERT ... SELECT ... statement.
'typedDelete' function converts 'Restriction' into flat SQL DELETE statement.
'derivedUpdate' function converts 'UpdateTarget' type into flat SQL UPDATE statement.
'typedKeyUpdate' function converts 'Pi' key type info flat SQL UPDATE statement.
'derivedDelete' function converts 'Restriction' into flat SQL DELETE statement.
Some handy table type inferred functions are provided,
'derivedInsert', 'derivedInsertQuery', 'derivedUpdate' and 'derivedDelete'.
'derivedKeyUpdate' function converts 'Pi' key type info flat SQL UPDATE statement.
Some functions which requires to be specified table type,
'typedInsert', 'typedInsertQuery', 'typedUpdate' and 'typedDelete'.
These functions are useful when table type is undecidable from its statement contexts.
-}